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Finding the Fourth Proportional to 111,341.81, 167,102.33 and 63,339.91

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Solution

The fourth proportional to 111,341.81, 167,102.33 and 63,339.91 is: 95,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,341.81 : 167,102.33 = 63,339.91 : x
  2. Step 2: Convert to fraction form
    111,341.81/167,102.33 = 63,339.91/x
  3. Step 3: Cross multiply
    111,341.81x = 167,102.33 × 63,339.91
  4. Step 4: Simplify right side
    111,341.81x = 10,584,245,808.53
  5. Step 5: Solve for x
    x = 10,584,245,808.53/111,341.81
  6. Step 6: Final answer
    x = 95,060.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.